Table 2.

Summary of results within the melatonin group and control groups

		2ndOperation		3rdOperation		4thOperation		p
		Mean ± SEM		Mean ± SEM		Mean ± SEM
20 mg/kg/day Melatonin	Volume	108.2	17.5	25.8	3.6	32.7	6.0	0.001
	Histopathology	1.7	0.1	2.2	0.2	2.7	0.2	0.009
Control Group	Volume	124.5	14.8	122.4	23.1	109.2	12.8	0.20
	Histopathology	2.2	0.2	2.4	0.3	2.6	0.2	0.14